ADR: Use node-fetch for data fetching

Signed-off-by: Johan Haals <johan.haals@gmail.com>

docs/architecture-decisions/adr013-use-node-fetch.md

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+---
+id: adrs-adr013
+title: 'ADR013: Use node-fetch for data fetching'
+description: Architecture Decision Record (ADR) for HTTP data fetching packages
+---
+
+## Context
+
+Using multiple HTTP packages for data fetching increases the complexity and the
+support burden of keeping said package up to date.
+
+## Decision
+
+Node packages should use the `node-fetch` package for HTTP data fetching.
+Isomorphic packages should use the `cross-fetch` as a development dependency and
+rely on the built-in `fetch` API.
+
+## Consequences
+
+We will gradually transition away from third party packages such as `axios`,
+`got` and others. Once we have transitioned to `node-fetch` we will add lint
+rules to enforce this decision.