Merge branch 'documentation/mission_analysis' into 'develop'

...sis/mission_analysis/figures/acceleration/PP_for_gif.pptx

...mission_analysis/figures/acceleration/acceleration.drawio

...is/mission_analysis/figures/acceleration/acceleration.png

...is/mission_analysis/figures/acceleration/acceleration.svg

...lysis/mission_analysis/figures/acceleration/iteration.gif

...ion/analysis/mission_analysis/figures/mission_profile.png

...analysis/mission_analysis/figures/transition_altitude.png

...ocumentation/analysis/mission_analysis/getting_started.md

docs/documentation/analysis/mission_analysis/index.md

docs/documentation/analysis/mission_analysis/methods.md

.../documentation/analysis/mission_analysis/mission_steps.md

mkdocs.yml