chore: remove stb_image from linguist (#856)

Drew Smirnoff created 

## What?

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added, removed, or modified? -->

## Why?

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solve, or what addition does it enable? Link related issues if
applicable. -->

Signed-off-by: drew <me@andrinoff.com>

Change summary

.gitattributes      | 3 +--
view/.gitattributes | 4 ++++
2 files changed, 5 insertions(+), 2 deletions(-)

Detailed changes

.gitattributes 🔗 

@@ -1,2 +1 @@
-*.html linguist-detectable=false
-public/** linguist-documentation
+clib/stb_image.h linguist-vendored

view/.gitattributes 🔗 

@@ -0,0 +1,4 @@
+*.html linguist-detectable=false
+public/** linguist-documentation
+clib/stb_image.h linguist-detectable=false
+clib/stb_image.h linguist-documentation