add file browser component and widget

examples/file_browser_demo/Trunk.toml

@@ -0,0 +1,31 @@
+[build]
+target = "index.html"
+dist = "dist"
+
+[serve]
+address = "127.0.0.1"
+port = 8080
+open = true
+
+[tools]
+# Aggressive WASM optimization with wasm-opt
+wasm-opt = [
+    "-Os",                    # Optimize for size
+    "--enable-mutable-globals",
+    "--enable-sign-ext",
+    "--enable-nontrapping-float-to-int",
+    "--enable-bulk-memory",
+    "--strip-debug",          # Remove debug info
+    "--strip-producers",      # Remove producer info
+    "--dce",                  # Dead code elimination
+    "--vacuum",               # Remove unused code
+    "--merge-blocks",         # Merge basic blocks
+    "--precompute",           # Precompute expressions
+    "--precompute-propagate", # Propagate precomputed values
+    "--remove-unused-names",  # Remove unused function names
+    "--simplify-locals",      # Simplify local variables
+    "--coalesce-locals",      # Coalesce local variables
+    "--reorder-locals",       # Reorder locals for better compression
+    "--flatten",              # Flatten control flow
+    "--rereloop",             # Optimize loops
+]