Batbot contours

[BryonLewis]

combination of #276 with batbot spectrogram generation.

• based on batbot-integration right now
• Is on a batbot branch that allow for the output of masks
• Adds ./batbot/core/utils/contour_utils.py which will take an image and generate contours for it
  • I'm using a new 'masks' location
  • Based off of Mike's Issue 239 generate smooth svg #276 PR
• Adds to the SpectrogramImage the concept of a Masks file
  • Adds to all relevant locations access to the masks
  • The return output for spectrogram info will now contain the masks
• Model Updates
  • Pulse_Metadata - contains pulse information and contours for now, will in the future contain curves and knee, toe, heel
    data
  • mostly contains the contours currently
  • in ./bats_ai/core/views/recording.py include endpoint /pulse_data that gets the pulse metadata and contours
• Client Updates
  • Adds a new image layer for masks in geoJSUtils.ts
  • contourLayer.ts added for rendering contours Taken from Issue 239 generate smooth svg #276
    • Modified slightly so that will update the style when scaling or opacity changes
  • SpectrogramImageContentMenu.vue take from Issue 239 generate smooth svg #276
    • Modified so that it has the maks or the contours
    • contours have a warning because it can take a few seconds to update
    • Both masks, contours and the base image have the ability to change the opacity

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[naglepuff]

Some pretty minor comments. This all lines up more or less with what I was expecting.

[naglepuff]

It also looks like the contour layer is drawn over the axes layer. Maybe the axes need to be redrawn as well when toggling the contours

[BryonLewis]

It also looks like the contour layer is drawn over the axes layer. Maybe the axes need to be redrawn as well when toggling the contours

Added some code to check the z-index of the line layer and make sure that contours is added behind the lines/text layers.