Update jobs.html.haml

Added links to CTFG jobs for global jobs, and Fillout embed to let people submit job postings

app/views/home/jobs.html.haml

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+UK-based jobs:
 <iframe class="airtable-embed" src="https://airtable.com/embed/appYHxsLYleU2RVYk/shr0KFkYr8SDsATos?layout=card&viewControls=on" frameborder="0" onmousewheel="" width="100%" height="533" style="background: transparent; border: 1px solid #ccc;"></iframe>
+
+To see a global list of jobs, <a href="https://civictech.guide/jobs">check out the Civic Tech Field Guide's Jobs page</a>. You can also browse <a href="https://directory.civictech.guide/listing-category/job-boards">nearly 50 tech for good jobs boards</a>.
+
+Are you hiring or helping someone who is? Share a job with the Newspeak community:
+
+<div style="width:100%;height:500px;" data-fillout-id="3pTxENYK5sus" data-fillout-embed-type="standard" data-fillout-inherit-parameters data-fillout-dynamic-resize></div><script src="https://server.fillout.com/embed/v1/"></script>