1.4.0 - Part 1

• closes 104 (Draw/nodes&edges/weight input updates properly on selection changes) (reported to another merge request)
• closes #105 (closed) (FIX - make edges unclickable in algo canvas)
• closes #107 (closed) (CHANGE - interrupted animation state more obvious)
  • implementation
  • docs
• closes #108 (closed) (ADD - Bellman-Ford)
• closes #109 (closed) (CHANGE - rework the algo options cascading to make it more useful/flexible)
• closes #110 (closed) (CHANGE - make incompatible algo more obvious)
  • implementation
  • docs
• closes #111 (closed) (FIX - empty lines not showing up in between pseudo-code locations/groups
• closes #112 (closed) (CHANGE - rework algo feedback layout, and update exported animation to match the changes)
  • implementation
  • animation exportation
  • docs
• closes #114 (closed) (CHANGE - update/cleanup python devops)
• closes #115 (closed) : add new default graph for Bellamn-Ford
• closes #116 (closed) : FIX - Overlaying buttons (docs, repo, prefs, ...) were not sliding out properly with V after a first use.
• closes #119 (closed) : FIX - Scaling feedback was rendering weirdly, from user's PoV.
• FIX - maxSteps input for algos was keeping the limits of the first algo when entering the page/tool
• FIX - min, max and step @Inputs weren't working anymore for NumInput components.
• CHANGE - All overflow modes updated to auto instead of scroll