add vale and fix some grammar issues (#128)

.vale.ini

@@ -0,0 +1,6 @@
+StylesPath = .vale
+
+Vocab = docs
+
+[*.md]
+BasedOnStyles = Vale, write-good

.vale/vocab/docs/accept.txt

@@ -0,0 +1,120 @@
+(?i)aws
+(?i)boolean
+(?i)browserify
+(?i)config
+(?i)css
+(?i)goja
+(?i)grafana
+(?i)hmac
+(?i)html
+(?i)http
+(?i)https
+(?i)json
+(?i)param
+(?i)params
+(?i)statsd
+(?i)tcp
+(?i)teardown
+(?i)tls
+(?i)url
+(?i)uuid
+(?i)vm
+(?i)vu
+(?i)websocket
+(?i)ws
+(?i)www
+(JS|js)lib
+[aA]shburn
+[dD]atadog
+[eE]nv
+[iI]nflux[dD][bB]
+[jJ]ava[sS]cript
+[nN]amespace
+[pP]ipelining
+[wW]ebpack
+alice
+async
+browserified
+browserlist
+bundler
+Capitan
+corejs
+cron
+crypto
+Cyber
+datastore
+datetime
+dcadwallader
+deserialized
+Dev
+errno
+erroring
+falsy
+flatlined
+fn
+gravatar
+gzip
+Hasher
+hostname
+htop
+iftop
+impactful
+ints
+io
+j[qQ]uery
+jq
+loki
+Lua
+maxfiles
+msgs
+netstat
+nofile
+npm
+offboarding
+Okta
+onboarding
+Ops
+Palo
+Paulo
+performant
+polyfill
+polyfills
+proto
+rawstd
+reqs
+resampled
+rollouts
+rollup
+Scorigami
+scriptable
+smockvavelsky
+Solaris
+Souders
+src
+stderr
+stdout
+Stian
+subprotocol
+sudo
+swapon
+sysctl
+taggable
+tbody
+tfoot
+thead
+tm
+transpile
+transpiled
+truthy
+tw
+ulimit
+ulimit
+Un
+Un\*x
+unencoded
+unencrypted
+untyped
+vendored
+walkthrough
+webpages
+wpnonce

.vale/write-good/passive.yml_old

@@ -0,0 +1,183 @@
+extends: existence
+message: "'%s' may be passive voice. Use active voice if you can."
+ignorecase: true
+level: warning
+raw:
+  - \b(am|are|were|being|is|been|was|be)\b\s*
+tokens:
+  - '[\w]+ed'
+  - awoken
+  - beat
+  - become
+  - been
+  - begun
+  - bent
+  - beset
+  - bet
+  - bid
+  - bidden
+  - bitten
+  - bled
+  - blown
+  - born
+  - bought
+  - bound
+  - bred
+  - broadcast
+  - broken
+  - brought
+  - built
+  - burnt
+  - burst
+  - cast
+  - caught
+  - chosen
+  - clung
+  - come
+  - cost
+  - crept
+  - cut
+  - dealt
+  - dived
+  - done
+  - drawn
+  - dreamt
+  - driven
+  - drunk
+  - dug
+  - eaten
+  - fallen
+  - fed
+  - felt
+  - fit
+  - fled
+  - flown
+  - flung
+  - forbidden
+  - foregone
+  - forgiven
+  - forgotten
+  - forsaken
+  - fought
+  - found
+  - frozen
+  - given
+  - gone
+  - gotten
+  - ground
+  - grown
+  - heard
+  - held
+  - hidden
+  - hit
+  - hung
+  - hurt
+  - kept
+  - knelt
+  - knit
+  - known
+  - laid
+  - lain
+  - leapt
+  - learnt
+  - led
+  - left
+  - lent
+  - let
+  - lighted
+  - lost
+  - made
+  - meant
+  - met
+  - misspelt
+  - mistaken
+  - mown
+  - overcome
+  - overdone
+  - overtaken
+  - overthrown
+  - paid
+  - pled
+  - proven
+  - put
+  - quit
+  - read
+  - rid
+  - ridden
+  - risen
+  - run
+  - rung
+  - said
+  - sat
+  - sawn
+  - seen
+  - sent
+  - set
+  - sewn
+  - shaken
+  - shaven
+  - shed
+  - shod
+  - shone
+  - shorn
+  - shot
+  - shown
+  - shrunk
+  - shut
+  - slain
+  - slept
+  - slid
+  - slit
+  - slung
+  - smitten
+  - sold
+  - sought
+  - sown
+  - sped
+  - spent
+  - spilt
+  - spit
+  - split
+  - spoken
+  - spread
+  - sprung
+  - spun
+  - stolen
+  - stood
+  - stridden
+  - striven
+  - struck
+  - strung
+  - stuck
+  - stung
+  - stunk
+  - sung
+  - sunk
+  - swept
+  - swollen
+  - sworn
+  - swum
+  - swung
+  - taken
+  - taught
+  - thought
+  - thrived
+  - thrown
+  - thrust
+  - told
+  - torn
+  - trodden
+  - understood
+  - upheld
+  - upset
+  - wed
+  - wept
+  - withheld
+  - withstood
+  - woken
+  - won
+  - worn
+  - wound
+  - woven
+  - written
+  - wrung

.vale/write-good/there-is.yml

@@ -0,0 +1,6 @@
+extends: existence
+message: "Don't start a sentence with '%s'."
+ignorecase: false
+level: error
+raw:
+  - '(?:[;-]\s)There\s(is|are)|\bThere\s(is|are)\b'