feat: add interactive contract playground script (#517) (#551) #529

Job	Run time
Rustfmt	9s
Workspace Tests (std)	7m 37s
Unit Tests (contracts/lending)	59s
Unit Tests (contracts/analytics)	35s
Clippy	6m 48s
Build WASM (contracts/lending)	9m 22s
Build WASM (contracts/fractional)	8m 50s
Unit Tests (contracts/fractional)	45s
Build WASM (contracts/oracle)	9m 9s
Build WASM (contracts/insurance)	8m 58s
Build WASM (contracts/analytics)	8m 49s
Security Audit	3m 6s
Unit Tests (contracts/oracle)	48s
Unit Tests (contracts/insurance)	48s
	1h 6m 43s

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