Adds plan_evolver, adds generation safeguards, moves around prompts

Create LICENSE

Adds init to src folder

Fixes parsing errors when utilizing the guidance "select" function

Moves all htn_planner prompts to htn_prompts and restructures them to use guidance

Refactors a couple prompts to use Microsoft's Guidance, ignores logs

Adds prompt evolver in an attempt to automate prompt generation for specific problems

Adds a new A* search planner as an option on startup

Updates README, changes some things to use code blocks instead of quotes for clarity

Fix formatting and add information references

Updates readme formatting a bit

Adds initial working implementation of the HTN Planner and its frontend