Add basic-operations examples (Anchor + Native)

Adds comprehensive examples for compressed account operations:

**Structure:**
- basic-operations/anchor/ - Anchor framework examples
- basic-operations/native/ - Native Rust examples
- Both organized as Cargo workspaces

**Programs included:**
- create: Create compressed accounts with derived addresses
- update: Update compressed account data
- close: Close compressed accounts
- reinit: Reinitialize compressed accounts
- burn: Permanently burn compressed accounts

**Features:**
- SHA256 hashing for flat serialization
- light-sdk 0.15.0 compatibility
- Full workspace configuration
- Compiles to deployable .so binaries
- Test files for each operation

Author: tilo-14

basic-operations/anchor/.gitignore

@@ -0,0 +1,7 @@
+.anchor
+.DS_Store
+target
+**/*.rs.bk
+node_modules
+test-ledger
+.yarn

basic-operations/anchor/Anchor.toml

@@ -0,0 +1,22 @@
+[toolchain]
+
+[features]
+resolution = true
+skip-lint = false
+
+[programs.localnet]
+create = "6pJwGkAuV2MtBanB3Fdugknra7TAKbN3ERsT6Gg2PwgE"
+update = "BFqDgFRTLiAKv8djbb2YNXhr3cmkaCaSSHKMuX7qUxFL"
+close = "3xy8FEPobWT63vh8bc49KxoWChPPr6ttckVWxdo6wDfc"
+reinit = "AGKi1s7HtUAFS3tJYG6uKGqb3vj6mMKzUzT4w4cNvhTB"
+burn = "2eSawJMBc2PUWYKWpzdKCPMvv5JLpPXoCxf2BBhg4stL"
+
+[registry]
+url = "https://api.apr.dev"
+
+[provider]
+cluster = "localnet"
+wallet = "~/.config/solana/id.json"
+
+[scripts]
+test = "yarn run ts-mocha -p ./tsconfig.json -t 1000000 tests/**/*.ts"