Add comprehensive installation and setup documentation

- Add GETTING_STARTED.md with quick start guide and development modes
- Add INSTALL.sh automated installation script
- Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md
- Add QUICK_REFERENCE.md for common commands
- Add SETUP_GUIDE.md with detailed setup instructions
- Update README.md with improved project overview
- Add did-wallet app dependencies and node_modules

apps/web5-dwn/node_modules/rabin-wasm/dist/rabin-wasm.d.ts

@@ -0,0 +1,43 @@
+declare module ASModule {
+  type i8 = number;
+  type i16 = number;
+  type i32 = number;
+  type i64 = BigInt;
+  type isize = number;
+  type u8 = number;
+  type u16 = number;
+  type u32 = number;
+  type u64 = BigInt;
+  type usize = number;
+  type f32 = number;
+  type f64 = number;
+  type bool = any;
+  export function __alloc(size: usize, id: u32): usize;
+  export function __retain(ptr: usize): usize;
+  export function __release(ptr: usize): void;
+  export function __collect(): void;
+  export var __rtti_base: usize;
+  export var Int32Array_ID: u32;
+  export var Uint8Array_ID: u32;
+  export function degree(polynom: u64): i32;
+  export function mod(x: u64, p: u64): u64;
+  export class Rabin {
+    window: usize;
+    window_size: i32;
+    wpos: i32;
+    count: u64;
+    pos: u64;
+    start: u64;
+    digest: u64;
+    chunk_start: u64;
+    chunk_length: u64;
+    chunk_cut_fingerprint: u64;
+    polynomial: u64;
+    minsize: u64;
+    maxsize: u64;
+    mask: u64;
+    constructor(average_bits: u32, minsize: u32, maxsize: u32, window_size: i32);
+    fingerprint(buf: usize, lengths: usize): usize;
+  }
+}
+export default ASModule;

apps/web5-dwn/node_modules/rabin-wasm/dist/rabin-wasm.node.js

@@ -0,0 +1,12 @@
+
+const { instantiateSync } = require("@assemblyscript/loader");
+const fs = require('fs')
+
+loadWebAssembly.supported = typeof WebAssembly !== 'undefined'
+
+async function loadWebAssembly (imp = {}) {
+  if (!loadWebAssembly.supported) return null
+  
+  return instantiateSync(fs.readFileSync(__dirname + "/../dist/rabin.wasm"), imp);
+}
+module.exports = loadWebAssembly