mo(cards): rename "description" to "content" and make new "description"

Issue #24
card(code-18): update description and content relative to the wiki rules

Issue #24
card(code-19): update description and content relative to the wiki rules

Issue #24
card(code-20): update description and content relative to the wiki rules

Issue #24
card(code-22): update description and content relative to the wiki rules

Issue #24
card(foo): update description and content relative to the wiki rules

Issue #24
card(for): update description and content relative to the wiki rules

Issue #24
card(increment): update description and content relative to the wiki rules

Issue #24
card(reset-commit): update description and content relative to the wiki rules

Issue #24