Add SYN113/115

[DanSGiesbrecht]

Add Synoxo SYN113/115

Datasheet: https://datasheet.lcsc.com/szlcsc/1910111742_Synoxo-F115_C105184.pdf

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• [x] Provide a URL to a datasheet for the symbol(s) you are contributing
• [x] An example screenshot image is very helpful
• [x] Ensure that the associated footprints match the official footprint library
  • A new fitting footprint must be submitted if the library does not yet contain one.
• [ ] If there are matching footprint PRs, provide link(s) as appropriate
• [x] Check the output of the Travis automated check scripts - fix any errors as required
• [ ] Give a reason behind any intentional library convention rule violation.

[ghost]

possible cosmetic enhancement: move ASK to the top, then you can put a space between the xtal pins so a Crystal_small will fit between them.

[cpresser]

@DanSGiesbrecht Ping. Do you want to continue with this PR?