docs: Cortex Docs for v1.0.0

[irfanpena]

Goal

• Build culture where Eng writes docs (and commits)

Tasklist

• [ ]

• Clean up Docs structure

• Update Swagger API

• Update CLI

• cortex.cpp README

• docs: update Cortex Overview. Improve product positioning #82

• docs: Tab feature #147

• feat: llamacpp README.md file cortex.llamacpp#139

• CLI commands

• CortexCPP data structures

• feat: simplify and add changelog #199

[irfanpena]

janhq/cortex.cpp#1098