Combustion Toolbox v0.8.9

What's Changed

• Update: remove unnecessary definition by @AlbertoCuadra in #230
• Solve: error removed an important variable by @AlbertoCuadra in #231
• Add: compute polar shock as in SD toolbox (draft) by @AlbertoCuadra in #232
• Update: oblique detonation (test) by @AlbertoCuadra in #234
• Update: improve plots polar shocks and solve some minor bugs by @AlbertoCuadra in #235
• Update: include sketch by @AlbertoCuadra in #236
• Update: error dashed line by @AlbertoCuadra in #237
• Solve: error dashed line by @AlbertoCuadra in #238
• Update: module M2 by @AlbertoCuadra in #239
• Update: version and date by @AlbertoCuadra in #240
• Update: comments by @AlbertoCuadra in #242

Full Changelog: v0.8.7...v0.8.9