feat: add Python and Java regex engines

package.json

@@ -1,6 +1,6 @@
 {
   "name": "regex-tools",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Develop, explain, test and apply regular expressions locally in the browser.",
   "license": "GPL-3.0-or-later",
   "author": "Albrecht Degering",
@@ -35,6 +35,12 @@
     "engines:pcre2:build": "node scripts/build-engines.mjs --pcre2",
     "engines:pcre2:install": "node scripts/install-pcre2-engine.mjs",
     "engines:pcre2:verify": "node scripts/verify-engine-assets.mjs --pcre2-pack .engine-build/pcre2",
+    "engines:python:build": "node scripts/python-engine-pack.mjs",
+    "engines:python:install": "node scripts/install-python-engine.mjs",
+    "engines:python:verify": "node scripts/verify-engine-assets.mjs --python-pack public/engines/python",
+    "engines:java:build": "node scripts/java-engine-pack.mjs",
+    "engines:java:install": "node scripts/install-java-engine.mjs",
+    "engines:java:verify": "node scripts/verify-engine-assets.mjs --java-pack public/engines/java",
     "engines:verify": "node scripts/verify-engine-assets.mjs",
     "manifest:generate": "node scripts/generate-toolbox-manifest.mjs",
     "manifest:check": "node scripts/generate-toolbox-manifest.mjs --check",
@@ -75,6 +81,7 @@
     "globals": "17.7.0",
     "jsdom": "29.1.1",
     "prettier": "3.9.5",
+    "pyodide": "314.0.3",
     "typescript": "6.0.3",
     "typescript-eslint": "8.64.0",
     "vite": "8.1.5",