🍱 Add GitHub social preview assets to git (#752)

docs/img/github-social-preview.svg

@@ -0,0 +1,98 @@
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+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
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+     inkscape:window-width="1920"
+     inkscape:window-height="1025"
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+     inkscape:zoom="0.52249777"
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+     inkscape:window-maximized="1"
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+  <defs
+     id="defs2" />
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
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+  <g
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+       y="114.91215"
+       x="52.115433"
+       style="font-style:normal;font-weight:normal;font-size:79.71511078px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#009688;fill-opacity:1;stroke:none;stroke-width:1.99287772"
+       xml:space="preserve"><tspan
+         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:Ubuntu;-inkscape-font-specification:Ubuntu;fill:#009688;fill-opacity:1;stroke-width:1.99287772"
+         y="114.91215"
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+         id="tspan977">FastAPI</tspan></text>
+  </g>
+  <text
+     xml:space="preserve"
+     style="font-style:normal;font-weight:normal;font-size:10.58333302px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332"
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+       x="169.60979"
+       y="132.53661"
+       style="font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:Roboto;-inkscape-font-specification:'Roboto Italic';text-align:center;text-anchor:middle;stroke-width:0.26458332"
+       id="tspan855">fast to code, ready for production</tspan></text>
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