v3.0.7: IE forEach fix. styling improvements

v3.0.7: IE forEach fix. styling improvements  (#4)

* Initialise with source code from current WP plugin for structure. Bump version number

* Swap in jQuery plugin for web component js bundle. Replace targeted inputs with w3w component -- roughly working

* Use w3w hosted script so can roll out updates, append `init` to script to clarity its role

* WIP removing settings

* Persist id & name on component's input so normal form label & submission works. WIP setting properties on component

* Removed options from admin GUI

* Apply settings (lang, placeholder) to component.

* Rewrite to leave targeted inputs in place, and update when valid w3w address entered in web component

* set readonly on hidden inputs

* store `///` along with 3word address

* knock-out default woocom border on w3w component's input

* remove unused assets

* update `create api key` url

* comment unused field

* updates to readme (WIP)

* apply color setting, clip-to-country on checkout

* remove lang settings

* tweak v-align of w3w logo

* add color to admin page, change default placeholder text, tweak woocomm w3w label text

* remove commented settings

* remove log stmts

* disable color setting for now

* tidy, only run woocomm when fields present

* version bump

* fixup wrong jq selector on shipping country handler. remove logs. remove excess indentation

* updated readme & version numbers. replace `const`s with `var`s to keep plain ES5

* lowercase `w` in what3words

* grab some presentational styles (background, border, color) from replaced input and apply to w3w component to better match rest of form

* also copy basic font-formatting

* copy background-color, copy border-styles per side

* w3w input more closely matches height of other text inputs. version bump for release

* added missing font-size property

* v bump

* actually fix font-size

* v bump for release

* tweak explainer text for css selector field. resolve problem with font-size

* updated readme

* removed files from previous version

* removed readme (was bugging out git)

* add back readme

* quick find&replace to lend some markdown structure to Wordpress' readme.txt

* v3.0.7: IE forEach fix. styling improvements (#3)

* don't use forEach (IE11 lacks)

* remove positioning of `.options`

* explicitly set background-color on input

* formatted for better readability

* hoist line-height property to `.what3words-autosuggest_input`, prevents odd clipping & squirm of input text

* merge conditionals, wrap in IIFE

* fix bug from forEach -> for() change

* fix malformed placeholder psuedo for IE

* remove `transform: none;` on `.options-wrap`

* position `.options` relative to bottom

* formatting

* version number & readme updates for WP plugin registry

* set jquery as a dependency of the plugin, tidy jQuery section of init js

* tighten up styles

* add back -ms placeholder styles as it inherits from input's color

Co-authored-by: Gaz Jessep <gareth@what3words>

Co-authored-by: Gaz Jessep <gareth@what3words>