Add rollup glsl plugin to import glsl files as modules.

package-lock.json

 {
   "name": "threepipe",
-  "version": "0.0.8",
+  "version": "0.0.9",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "threepipe",
-      "version": "0.0.8",
+      "version": "0.0.9",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/three": "https://github.com/repalash/three-ts-types/releases/download/v0.152.1011/package.tgz",
         "markdown-to-html-cli": "^3.7.0",
         "rimraf": "^5.0.1",
         "rollup": "^3.23.0",
+        "rollup-plugin-glsl": "^1.3.0",
         "rollup-plugin-license": "^3.0.1",
         "rollup-plugin-postcss": "^4.0.2",
         "rollup-plugin-replace": "^2.2.0",
         "fsevents": "~2.3.2"
       }
     },
+    "node_modules/rollup-plugin-glsl": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-glsl/-/rollup-plugin-glsl-1.3.0.tgz",
+      "integrity": "sha512-iddxdkQmuo6Hfk5JuT2ntVe8D5hvZ+r3uyPotjIkF2JYNOEdamEWCnieoLGCcxU16pWFoV/tmu74qkeR5Q/ChQ==",
+      "dev": true,
+      "dependencies": {
+        "magic-string": "^0.21.3",
+        "rollup-pluginutils": "^2.0.1"
+      }
+    },
+    "node_modules/rollup-plugin-glsl/node_modules/magic-string": {
+      "version": "0.21.3",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.21.3.tgz",
+      "integrity": "sha512-U66DN4L1NJsQTCaWbP9MTW+iydrqkYW8Is1QV+1tT44oZYfr0t1BUbtDew40YXrNOZSJAUYPZ8s4gd//2AZBUQ==",
+      "dev": true,
+      "dependencies": {
+        "vlq": "^0.2.1"
+      }
+    },
     "node_modules/rollup-plugin-license": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/rollup-plugin-license/-/rollup-plugin-license-3.0.1.tgz",
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/vlq": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/vlq/-/vlq-0.2.3.tgz",
+      "integrity": "sha512-DRibZL6DsNhIgYQ+wNdWDL2SL3bKPlVrRiBqV5yuMm++op8W4kGFtaQfCs4KEJn0wBZcHVHJ3eoywX8983k1ow==",
+      "dev": true
+    },
     "node_modules/vscode-oniguruma": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/vscode-oniguruma/-/vscode-oniguruma-1.7.0.tgz",
         "fsevents": "~2.3.2"
       }
     },
+    "rollup-plugin-glsl": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-glsl/-/rollup-plugin-glsl-1.3.0.tgz",
+      "integrity": "sha512-iddxdkQmuo6Hfk5JuT2ntVe8D5hvZ+r3uyPotjIkF2JYNOEdamEWCnieoLGCcxU16pWFoV/tmu74qkeR5Q/ChQ==",
+      "dev": true,
+      "requires": {
+        "magic-string": "^0.21.3",
+        "rollup-pluginutils": "^2.0.1"
+      },
+      "dependencies": {
+        "magic-string": {
+          "version": "0.21.3",
+          "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.21.3.tgz",
+          "integrity": "sha512-U66DN4L1NJsQTCaWbP9MTW+iydrqkYW8Is1QV+1tT44oZYfr0t1BUbtDew40YXrNOZSJAUYPZ8s4gd//2AZBUQ==",
+          "dev": true,
+          "requires": {
+            "vlq": "^0.2.1"
+          }
+        }
+      }
+    },
     "rollup-plugin-license": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/rollup-plugin-license/-/rollup-plugin-license-3.0.1.tgz",
         "unist-util-stringify-position": "^3.0.0"
       }
     },
+    "vlq": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/vlq/-/vlq-0.2.3.tgz",
+      "integrity": "sha512-DRibZL6DsNhIgYQ+wNdWDL2SL3bKPlVrRiBqV5yuMm++op8W4kGFtaQfCs4KEJn0wBZcHVHJ3eoywX8983k1ow==",
+      "dev": true
+    },
     "vscode-oniguruma": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/vscode-oniguruma/-/vscode-oniguruma-1.7.0.tgz",

package.json

 {
   "name": "threepipe",
-  "version": "0.0.8",
+  "version": "0.0.9-dev.1",
   "description": "A 3D viewer framework built on top of three.js in TypeScript with a focus on quality rendering, modularity and extensibility.",
   "main": "src/index.ts",
   "module": "dist/index.mjs",
     "rimraf": "^5.0.1",
     "rollup": "^3.23.0",
     "rollup-plugin-license": "^3.0.1",
+    "rollup-plugin-glsl": "^1.3.0",
     "rollup-plugin-postcss": "^4.0.2",
     "stats.js": "^0.17.0",
     "three": "https://github.com/repalash/three.js-modded/releases/download/v0.152.2012/package.tgz",

rollup.config.mjs

 import {fileURLToPath} from 'url';
 import terser from "@rollup/plugin-terser";
 import postcss from 'rollup-plugin-postcss'
+import glsl from "rollup-plugin-glsl"
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
     ],
     external: [],
     plugins: [
+        glsl({ // todo: minify glsl.
+            include: "src/**/*.glsl"
+        }),
         postcss({
             modules: false,
             autoModules: true,  // todo; issues with typescript import css, because inject is false