shellfirm 0.3.8

`shellfirm` will intercept any risky patterns (default or defined by you) and prompt you a small challenge for double verification, kinda like a captcha for your terminal.
Documentation 
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- from: database
  test: (?i)DROP\s+DATABASE
  description: "Dropping a database will permanently delete all its data."
  id: database:drop_database
  severity: Critical
- from: database
  test: (?i)DROP\s+TABLE
  description: "Dropping a table will permanently delete all its data."
  id: database:drop_table
  severity: Critical
- from: database
  test: (?i)TRUNCATE\s+TABLE
  description: "Truncating a table will delete all rows permanently."
  id: database:truncate_table
  severity: Critical
- from: database
  test: (?i)DELETE\s+FROM\s+\w+\s*;?\s*$
  description: "DELETE without a WHERE clause will delete all rows in the table."
  id: database:delete_all_rows
  severity: Critical
  filters:
    - type: NotContains
      value: "WHERE"
    - type: NotContains
      value: "where"
  alternative: "DELETE FROM <table> WHERE <condition>"
  alternative_info: "Always include a WHERE clause to limit which rows are deleted."
- from: database
  test: (?i)UPDATE\s+\w+\s+SET\s+.*(?:;|\s*$)
  description: "UPDATE without a WHERE clause will modify all rows in the table."
  id: database:update_all_rows
  severity: High
  filters:
    - type: NotContains
      value: "WHERE"
    - type: NotContains
      value: "where"
- from: database
  test: (?i)DROP\s+(SCHEMA|ROLE|USER)
  description: "Dropping a schema, role, or user is a destructive and often irreversible operation."
  id: database:drop_schema_role_user
  severity: High
- from: database
  test: (?i)ALTER\s+TABLE\s+\w+\s+DROP\s+COLUMN
  description: "Dropping a column permanently removes data from all rows."
  id: database:alter_drop_column
  severity: High