feat: Implement shisui_base

[0xTitan]

Feature Request

Describe the Feature Request

Implement and tests for GravitaBase

Describe Preferred Solution

Main logic

shisui_base will host common functions.
File: src/components/shisui_base.cairo

Tests

Implement the following tests files:

• tests/integration/components/shisui_base/get_composite_debt/test_get_composite_debt.cairo
• tests/integration/components/shisui_base/get_net_debt/test_get_net_debt.cairo
• tests/integration/components/shisui_base/get_coll_gas_compensation/test_get_coll_gas_compensation.cairo
• tests/integration/components/shisui_base/get_entire_system_coll/test_get_entire_system_coll.cairo
• tests/integration/components/shisui_base/get_entire_system_debt/test_get_entire_system_debt.cairo
• tests/integration/components/shisui_base/get_tcr/test_get_tcr.cairo
• tests/integration/components/shisui_base/check_recovery_mode/test_check_recovery_mode.cairo
• tests/integration/components/shisui_base/require_user_accepts_fee/test_require_user_accepts_fee.cairo

Requirement

None

Related Code

GravitaBase