dev-api: add developer portal, OpenAPI spec, and Flatenbadet case study

- New /developers/ page with API docs, SDKs, pricing, use cases
- OpenAPI 3.0 spec for Orders, Missions, Photos, Analytics
- Case study: Glasskiosken i Flatenbadet — complete ROI analysis
- Updated /order/ with recurring missions and frequency dropdown

services/frilans-payout/node_modules/ajv/scripts/travis-gh-pages

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [[ "$TRAVIS_BRANCH" == "master" && "$TRAVIS_PULL_REQUEST" == "false" && $TRAVIS_JOB_NUMBER =~ ".3" ]]; then
+  git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qE '\.md$|^LICENSE$|travis-gh-pages$' && {
+    rm -rf ../gh-pages
+    git clone -b gh-pages --single-branch https://${GITHUB_TOKEN}@github.com/ajv-validator/ajv.git ../gh-pages
+    mkdir -p ../gh-pages/_source
+    cp *.md ../gh-pages/_source
+    cp LICENSE ../gh-pages/_source
+    currentDir=$(pwd)
+    cd ../gh-pages
+    $currentDir/node_modules/.bin/gh-pages-generator
+    # remove logo from README
+    sed -i -E "s/<img[^>]+ajv_logo[^>]+>//" index.md
+    git config user.email "$GIT_USER_EMAIL"
+    git config user.name "$GIT_USER_NAME"
+    git add .
+    git commit -am "updated by travis build #$TRAVIS_BUILD_NUMBER"
+    git push --quiet origin gh-pages > /dev/null 2>&1
+  }
+fi